Table 2 Benefits of planting Acacia mangium in terms of land restoration, C sequestration, soil fertility and tree production in different ecosystems
From: Acacia mangium Willd: benefits and threats associated with its increasing use around the world
Original ecosystem / habitat | Current ecosystem | Country | Soil type | Soil fertility | Tree productivity | Reference | |||
|---|---|---|---|---|---|---|---|---|---|
Nitrogen status | Phosphorus status | Carbon status | Soil fauna/ microbial status | ||||||
Savannas | Acacia plantations | Republic of Congo | Arenosols | NA | NA | NA | Higher activity of macroar-thropods, incl. Cockroaches | NA | Bernhard-Reversat 1993 |
Degraded areas | Revegetating tailing tanks | Brazil | Tropical soils | Increased (190 kg of N ha−1∙y−1) | NA | Increased | NA | NA | Franco and de Faria, 1997 |
Eucalyptus siebiri | Mixed-species plantations | Australia | Sandy clay loam | + | NA | Increased soil C | NA | Increased | Forrester et al. 2013 |
Pinus massoniana plantation | Eucalypt and acacia plantations (1978) | China | Oxisol | Increase in NH4-N, NO3-N, and total N in the mixed species plantations | NA | Increase in total C | Changes in microbial communities | NA | Huang et al. 2014 |
Plantations | Mixed-species plantations with A. mangium | Malaysia | Haplic Alisols | More N in the litterfall | Less P in the litterfall | NA | NA | NA | Inagaki et al. 2011 |
Savannas/ Eucalypt plantations (1984) | Eucalypt and acacia plantations (2004) | Republic of Congo | Arenosols | Increase in N stocks (0–0.25 m)/ Increase in N contents of coarse POM (4–0.25 mm) Increase in N mineralization in pure acacia | Decrease in available P in the mixed species stands (0–0.15 m) | Increase in C stocks (0–0.25 m) | NA | Eucalypt benefits from N2 fixed by acacia | Koutika et al. 2014; Koutika et al. 2017; Epron et al. 2013; Tchichelle et al. 2017 |
Degraded lands with low fertility | A. mangium plantations | Malaysia | NA | NA | Increased | NA | Increased | Lee et al. 2015 | |
Eucalyptus | Eucalypt and acacia plantations | Brazil | Ferralsol | – | – | – | Higher activity of microbial and bacterial communities | – | |
Degraded tropical lands | A. mangium | Vietnam | – | Increased | NA | NA | NA | NA | Sang et al. 2013 |
Fallow for more than 15 years | Eucalypt and acacia plantations | Brazil | Haplic Planosol | More N in the litterfall of acacia vs eucalypt | More P in the litterfall of eucalypt vs acacia | NA | NA High microbial activity | Eucalypt benefits from N2 fixed by acacia | |
Disturbed evergreen broadleaved forest | Restored forest with A. mangium and A. auriculiformis | China | Red soil | + | NA | + | + | Good nurse plants for understory species | Yang et al. 2009 |
Degraded lands | Mixed species plantations | China | – | 20%–50% higher N than non-N-fixers counterpart | – | 40%–50% higher SOM than non-N-fixers counter-part | NA | Land restoration | Wang et al. 2010 |